ODTSXExx is a family of 4 to 24 mA, non-inverting, TTL-level, tristate output buffer pieces with active low enables and controlled slew rate outputs. Logic Symbol Truth Table ODTSXExx EN A SL PADM EN A PADM LL L LH H HX Z HDL Syntax Verilog ODTSXExx inst_name (PADM, A, EN); VHDL inst_name.